2313013231 has 4 divisors (see below), whose sum is σ = 2314253992. Its totient is φ = 2311772472.

The previous prime is 2313013223. The next prime is 2313013243. The reversal of 2313013231 is 1323103132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2313013231 - 2³ = 2313013223 is a prime.

It is a super-2 number, since 2×2313013231² = 10700060413562118722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2313013199 and 2313013208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313013531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617580 + ... + 621313.

It is an arithmetic number, because the mean of its divisors is an integer number (578563498).

Almost surely, 2^2313013231 is an apocalyptic number.

2313013231 is a deficient number, since it is larger than the sum of its proper divisors (1240761).

2313013231 is a wasteful number, since it uses less digits than its factorization.

2313013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240760.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2313013231 is about 48093.7961799648. The cubic root of 2313013231 is about 1322.4909405792.

Adding to 2313013231 its reverse (1323103132), we get a palindrome (3636116363).

The spelling of 2313013231 in words is "two billion, three hundred thirteen million, thirteen thousand, two hundred thirty-one".